5. Which of the following methods is used to magnetize a magnetic substance without touching it by a magnet a single touch b. double touch c. using electric current d. by induction
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Correct option is
A
single touch
Given : Which of the following methods is used to magnetize a magnetic substance without touching it by a magnet?
Solution :
Answer is by induction
In this method a soft iron bar is near a strong magnet without touching it. The soft iron bar converts to induced magnets with opposite polarity to that of strong magnet.
Answered by
1
single touch
Given : Which of the following methods is used to magnetize a magnetic substance without touching it by a magnet?
Solution :
Answer is by induction
In this method a soft iron bar is near a strong magnet without touching it. The soft iron bar converts to induced magnets with opposite polarity to that of strong magnet.
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